Kobo 650 ml storage capacity and leak proof. 100% Non toxic and BPA free. Light weight, easy to carry and use. Asymmetrical one-hand design/ easier to grab and hold on the side-line or in the gym. Measurement marking translucent stripe on side enables you to track your consumption throughout your workout strategically placed rubber grip and ergonomic bottle design allow for easy handling leak-proof puff valve spout provides a quick flow of water for Instantaneous hydration and prevents leaking when not in use the squeeze feature of the bottle is very handy to hydrate yourself and water gushes into your mouth. It's a must have sport water bottle for jogging, gym, yoga, runners, athletes, cross fit, travel, hiking, cycling, tennis, camping, workouts, work office, school or outdoors eco friendly, recyclable, reusable and shatterproof giving you a healthy and less expensive option than bottled water, making it the perfect gift for that active someone on the go.